87142326 has 36 divisors (see below), whose sum is σ = 180878292. Its totient is φ = 27987984.

The previous prime is 87142313. The next prime is 87142397. The reversal of 87142326 is 62324178.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 845991 + ... + 846093.

It is an arithmetic number, because the mean of its divisors is an integer number (5024397).

Almost surely, 2^87142326 is an apocalyptic number.

87142326 is an abundant number, since it is smaller than the sum of its proper divisors (93735966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87142326 is a wasteful number, since it uses less digits than its factorization.

87142326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 145 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 87142326 is about 9335.0054097467. The cubic root of 87142326 is about 443.3462601365.

The spelling of 87142326 in words is "eighty-seven million, one hundred forty-two thousand, three hundred twenty-six".